Surgical resection of gastric stump cancer following proximal gastrectomy for adenocarcinoma of the esophagogastric junction

Table 4 Univariate and Multivariate analyses of clinicopathologic factors associated with overall survival

	5-yr OS (%)	Univariate		Multivariate
		Hazard ratio	P value	Hazard ratio	P value
Sex: Male vs female	49.4 vs 66.7	3.352 (0.420-26.755)	0.229	-	-
Age: < 65 yr vs ≥ 65 yr	63.5 vs 44.7	0.597 (0.199-1.796)	0.354	-	-
Tumor location: Anastomotic vs nonanastomotic	57.7 vs 56.2	0.868 (0.265-2.846)	0.816	-	-
Interval: < 5 yr vs ≥ 5 yr	56.8 vs 55.4	0.665 (0.213-2.074)	0.479	-	-
Operation type: Completion gastrectomy vs segmental resection	56.2 vs 68.6	2.112 (0.464-9.614)	0.323	-	-
Histology: Adenocarcinoma vs adenocarcinoma with signet ring cell	65.6 vs 0	0.368 (0.104-1.306)	0.108	0.376 (0.098-1.44)	0.154
Pathologic grade: Poor vs moderate/well	49.7 vs 65.3	1.232 (0.401-3.786)	0.715	-	-
T stage: T1-3 vs T4	77.0 vs 30.6	0.144 (0.039-0.534)	0.001	0.166 (0.041-0.672)	0.012
N stage: N0 vs N+	73.8 vs 39.2	0.216 (0.058-0.807)	0.013	0.432 (0.103-1.822)	0.253

OS: Overall survival.